<template>
  <div class="hello">
    <h1>{{ msg }}</h1>
    <button @click="addOne">add one</button>
    <button @click="minusOne">minus one</button>
  </div>
</template>

<script>
  export default{
    data(){
      return{
        msg:'banana',
        price:15
      }
    },
    methods:{
      addOne(){
        this.$store.commit('increment',thid.price)
      },
      minusOne(){
        this.$store.commit('decrement',thid.price)
      }
    }
  }
</script>
